v3.23.1
Summary of Significant Accounting Policies - Adjusted Income Statement and Comprehensive Income to Apply Adopted Guidance (Details) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Income Statement [Abstract]      
Premiums $ 5,091 $ 5,653 $ 4,341
Policy fees 2,914 3,005 2,874
Total net realized gains (losses) 6,091 1,752 (3,741)
Total revenues 24,697 23,257 15,062
Policyholder benefits (including remeasurement (gains) losses of $298 and $233 for the years ended December 31, 2022 and 2021, respectively) 6,720 7,387 6,602
Change in the fair value of market risk benefits, net (958) (447) 0
Interest credited to policyholder account balances 3,732 3,562 3,528
Amortization of deferred policy acquisition costs and value of business acquired 1,020 951 543
Non-deferrable insurance commissions 568 623 604
Total benefits and expenses 14,206 12,003 14,211
Income (loss) before income tax expense (benefit) 10,491 11,254 851
Income tax expense (benefit) 2,012 2,082 (15)
Net income (loss) 8,479 9,172 866
Net income (loss) attributable to Corebridge $ 8,159 8,243 642
Basic (in dollars per share) $ 12.63    
Diluted (in dollars per share) $ 12.60    
Statement of Comprehensive Income [Abstract]      
Net income $ 8,479 9,172 866
Change in unrealized appreciation (depreciation) of fixed maturity securities on which allowance for credit losses was taken (61) 31 (62)
Change in unrealized appreciation (depreciation) of all other investments (31,695) (5,638) 5,337
Change in fair value of market risk benefits attributable to changes in our own credit risk 1,294 179 0
Change in the discount rates used to measure traditional and limited payment long-duration insurance contracts 5,298 1,356 0
Other comprehensive income (loss) (25,106) (4,091) 5,330
Comprehensive income (loss) (16,627) 5,081 6,196
Comprehensive income (loss) attributable to Corebridge (16,937) $ 4,152 $ 5,966
Common Stock Class A      
Income Statement [Abstract]      
Basic (in dollars per share)   $ 13.18 $ 1.00
Diluted (in dollars per share)   13.18 1.00
Common Stock Class B      
Income Statement [Abstract]      
Basic (in dollars per share)   9.14 1.00
Diluted (in dollars per share)   $ 9.14 $ 1.00
As Previously Reported      
Income Statement [Abstract]      
Premiums 5,093 $ 5,637  
Policy fees 2,972 3,051  
Total net realized gains (losses) 8,013 1,855  
Total revenues 26,679 23,390  
Policyholder benefits (including remeasurement (gains) losses of $298 and $233 for the years ended December 31, 2022 and 2021, respectively) 7,332 8,050  
Change in the fair value of market risk benefits, net 0 0  
Interest credited to policyholder account balances 3,696 3,549  
Amortization of deferred policy acquisition costs and value of business acquired 1,431 1,057  
Non-deferrable insurance commissions 636 680  
Total benefits and expenses 16,219 13,263  
Income (loss) before income tax expense (benefit) 10,460 10,127  
Income tax expense (benefit) 1,991 1,843  
Net income (loss) 8,469 8,284  
Net income (loss) attributable to Corebridge $ 8,149 7,355  
Basic (in dollars per share) $ 12.61    
Diluted (in dollars per share) $ 12.59    
Statement of Comprehensive Income [Abstract]      
Net income $ 8,469 8,284  
Change in unrealized appreciation (depreciation) of fixed maturity securities on which allowance for credit losses was taken (54) 22  
Change in unrealized appreciation (depreciation) of all other investments (26,128) (4,509)  
Change in fair value of market risk benefits attributable to changes in our own credit risk 0 0  
Change in the discount rates used to measure traditional and limited payment long-duration insurance contracts 0 0  
Other comprehensive income (loss) (26,124) (4,506)  
Comprehensive income (loss) (17,655) 3,778  
Comprehensive income (loss) attributable to Corebridge (17,965) $ 2,849  
As Previously Reported | Common Stock Class A      
Income Statement [Abstract]      
Basic (in dollars per share)   $ 11.80  
Diluted (in dollars per share)   11.80  
As Previously Reported | Common Stock Class B      
Income Statement [Abstract]      
Basic (in dollars per share)   7.77  
Diluted (in dollars per share)   $ 7.77  
Effect of Change      
Income Statement [Abstract]      
Premiums (2) $ 16  
Policy fees (58) (46)  
Total net realized gains (losses) (1,922) (103)  
Total revenues (1,982) (133)  
Policyholder benefits (including remeasurement (gains) losses of $298 and $233 for the years ended December 31, 2022 and 2021, respectively) (612) (663)  
Change in the fair value of market risk benefits, net (958) (447)  
Interest credited to policyholder account balances 36 13  
Amortization of deferred policy acquisition costs and value of business acquired (411) (106)  
Non-deferrable insurance commissions (68) (57)  
Total benefits and expenses (2,013) (1,260)  
Income (loss) before income tax expense (benefit) 31 1,127  
Income tax expense (benefit) 21 239  
Net income (loss) 10 888  
Net income (loss) attributable to Corebridge $ 10 888  
Basic (in dollars per share) $ 0.02    
Diluted (in dollars per share) $ 0.01    
Statement of Comprehensive Income [Abstract]      
Net income $ 10 888  
Change in unrealized appreciation (depreciation) of fixed maturity securities on which allowance for credit losses was taken (7) 9  
Change in unrealized appreciation (depreciation) of all other investments (5,567) (1,129)  
Change in fair value of market risk benefits attributable to changes in our own credit risk 1,294 179  
Change in the discount rates used to measure traditional and limited payment long-duration insurance contracts 5,298 1,356  
Other comprehensive income (loss) 1,018 415  
Comprehensive income (loss) 1,028 1,303  
Comprehensive income (loss) attributable to Corebridge $ 1,028 $ 1,303  
Effect of Change | Common Stock Class A      
Income Statement [Abstract]      
Basic (in dollars per share)   $ 1.38  
Diluted (in dollars per share)   1.38  
Effect of Change | Common Stock Class B      
Income Statement [Abstract]      
Basic (in dollars per share)   1.37  
Diluted (in dollars per share)   $ 1.37